AngelRose's list "J j" of 4 great name ideas: Jimenes - Jocasta!

Jimenes is an uncommon variant spelling of the Spanish surname Jiménez (or Jimenez when Anglicized). As a first name, it represents an emerging trend of using surnames as given names, particularly those with cultural significance. Jiménez itself derives from the personal name Jimeno, a medieval Spanish form of Simon, ultimately from Hebrew origins meaning 'he has heard.' While extremely rare as a first name, Jimenes offers families of Hispanic heritage a way to honor their cultural roots or family connections. The name carries a strong, masculine sound with its crisp consonants and traditional Spanish resonance. As a given name, Jimenes remains distinctive and unconventional, appealing to parents seeking a name with cultural depth and uniqueness.

Jimenes

Jiminy is a masculine name that gained recognition primarily through the character Jiminy Cricket in Disney's 'Pinocchio.' Rather than having ancient roots, this whimsical name evolved from the euphemistic exclamation 'Jiminy Cricket!' (a substitute for 'Jesus Christ'). As a given name, Jiminy remains extremely rare, carrying a playful, storybook quality that evokes childlike wonder and imagination. Parents who choose this name may appreciate its literary connections and cheerful sound. The association with Jiminy Cricket—a conscience personified—gives the name connotations of moral guidance, wisdom, and friendly counsel. Its uniqueness ensures it stands out, though the strong fictional association may be its defining characteristic for most people.

Jiminy

Jinnea is a feminine name with multiple possible origins. It may be a variant of Jenna or Jinny, both diminutives of names like Jennifer (from Cornish, meaning 'white wave' or 'fair one'). Alternatively, it could be inspired by the word 'jinn' or 'genie' from Arabic mythology, suggesting mystical or magical qualities. Jinnea has a contemporary feel with its distinctive spelling and melodious sound. This name is quite uncommon, making it an appealing choice for parents seeking something unique. The double 'n' and unusual ending give it a distinctive quality while maintaining an accessible pronunciation. Jinnea evokes a sense of uniqueness and ethereal beauty.

Jinnea

Jocasta is a mythological name fashionably used in England, but mostly ignored here. She was the mother of Oedipus, King of Thebes, whom he (oops) unwittingly married. If you can ignore that small error in judgment, you'll find an interesting and attractive J name that's neither overused nor terminally dated. 
 Jocasta is also a moon of Jupiter, and a Cloud Atlas character, playing in the film by Halle Berry.